package com.chixing.day01_basic_syntax;

public class SecondKillProduct {
    public static void main(String[] args){
        int day=3;
        switch (day){
            case 1:
                System.out.println("1");break;
            case 2:
                System.out.println("2");break;
            case 3:
                System.out.println("3");break;
            case 4:
                System.out.println("4");break;
            case 5:
                System.out.println("5");break;
            case 6:
                System.out.println("6");break;
            case 7:
                System.out.println("7");break;
            default:
                System.out.println("无效的数字");


        }
    }
}
